News tagged with levels

Since the start of the industrial revolution in 1850, atmospheric CO2 levels have increased by about 40%. However, contrary to expectations, the growth of tropical trees has not increased as a result. Th ...

Average chloride concentrations often exceed toxic levels in many northern United States streams due to the use of salt to deice winter pavement, and the frequency of these occurrences nearly doubled in two decades.

At this week's IEEE International Electron Devices Meeting (IEDM 2014), nanoelectronics research center imec and its associated lab at Ghent University have demonstrated the industry's first integrated graphene optical electro-absorption ...

The Greenland Ice Sheet is the second-largest body of ice on Earth. It covers an area about five times the size of New York State and Kansas combined, and if it melts completely, oceans could rise by 20 feet. ...

Consider the relationship between an air traffic controller and a pilot. The pilot gets the passengers to their destination, but the air traffic controller decides when the plane can take off and when it ...

Like a smart sensor that adjusts the lighting in each room and a home's overall temperature, a protein that governs the making of other proteins in the cell also appears capable of controlling fat levels in the body.

Queensland Deputy Premier Jeff Seeney's decision, revealed this week, to order a Brisbane council to remove future sea-level rise from its planning regulations seems a rather short-sighted thing to do. ...

People around the world depend on food crops adapted to an array of temperature and precipitation regimes, but those conditions are in flux because of global climate change. So scientists want to identify ...

A 7,500-year-old underwater water well that has been partially excavated from a site on Israel's Mediterranean coast near Haifa will give important insights into the Neolithic society that once lived there.

(Phys.org) —Sharp unveiled a news-making prototype of a sensor earlier this month at Semicon Japan 2014, which took place from Dec 3 to 5. As its title suggests, Sharp's "Blood Vessel Aging Degree Sensor" ...